A handcrafted stone diffuser that helps you enjoy essential oils throughout your home while doubling as a stunningly simple piece of decor. This matte ceramic diffuser offers 3 hours of non-stop aromatherapy or 7 hours or 30-second intervals to promote a healthy mind and body. For additional peace of mind, the diffuser automatically turns off when time or water runs out. - High-quality BPA-free plastic water reservoir. Run-Time: 3 hour non-stop (green light), 7 hours of 30-second intervals (orange light) - Humidification: 2.3 fl. oz/hour - Diffusing Capacity: 538.19 ft - Ultrasonic: 2.5 vibrations/second - Width: 8.7cm, height: 18cm, weight: 1.1 lbs. - Includes 6 ft. power cord.